/Engine/Source/Runtime/Engine/Classes/GameFramework/LightWeightInstanceSubsystem.h
Returns the instance manager that handles instances of type Class that live in Level.
[ALightWeightInstanceManager](API\Runtime\Engine\GameFramework\ALightWeightInstanceManager) * FindOrAddLightWeightInstanceManager ( [UClass](API\Runtime\CoreUObject\UObject\UClass) & ActorClass, [UWorld](API\Runtime\Engine\Engine\UWorld) & World, const FVector & InPos, const [UDataLayerInstance](API\Runtime\Engine\WorldPartition\DataLayer\UDataLayerInstance) * DataLayer )